Naval Ship Limits

Ship:

Prismatic coefficient (CP = CB/CM)

Length/Beam (L/B)

Length/Draft (L/T)

Beam/Draft (B/T)

LCG/Length from midships

Bilge Keel Length

Bilge Keel Width

Trim

Metacentric Height (GM)

Vertical centre of gravity (KG)

Rudder to Load Waterline (ZRUD)

0.55

6.0

11.50

1.70

-0.05

-

-

-0.5*Mean Draft

0.05*Mean Draft

-

-

0.85

9.5

40.0

3.50

0.054

0.75*Length

0.30*Beam

-

-

2.0*Mean Draft

Mean Draft-Trim

Rudder:

No. of Rudders

Rudder Area / Length*Draft (AR/LT)

Rudder Height

Aspect Ratio

Rudder Rate [deg/s]

1

-

0.75*Prop Diam

0.75

1.0

2

0.075

Mean Draft-Trim

2.80

7.0

Propeller:

No. of Propellers

Propeller Diameter

Pitch/Diameter

No. of Blades

Blade Area Ratio

1

-

0.50

2

0.30

2

0.77*(Mean Draft - 0.5*Trim +1

1.40

7

1.05